報錯如下：

2020-03-05 18:41:55.161 5576-5576/com.xiayiye.takeout W/System.err: com.google.gson.JsonSyntaxException: java.lang.IllegalStateException: Expected a string but was BEGIN_OBJECT at line 3 column 14 path $.data 2020-03-05 18:41:55.162 5576-5576/com.xiayiye.takeout W/System.err: at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:226) 2020-03-05 18:41:55.162 5576-5576/com.xiayiye.takeout W/System.err: at retrofit2.converter.gson.GsonResponseBodyConverter.convert(GsonResponseBodyConverter.java:39) 2020-03-05 18:41:55.162 5576-5576/com.xiayiye.takeout W/System.err: at retrofit2.converter.gson.GsonResponseBodyConverter.convert(GsonResponseBodyConverter.java:27) 2020-03-05 18:41:55.162 5576-5576/com.xiayiye.takeout W/System.err: at retrofit2.OkHttpCall.parseResponse(OkHttpCall.java:225) 2020-03-05 18:41:55.162 5576-5576/com.xiayiye.takeout W/System.err: at retrofit2.OkHttpCall$1.onResponse(OkHttpCall.java:121) 2020-03-05 18:41:55.162 5576-5576/com.xiayiye.takeout W/System.err: at okhttp3.RealCall$AsyncCall.execute(RealCall.java:174) 2020-03-05 18:41:55.162 5576-5576/com.xiayiye.takeout W/System.err: at okhttp3.internal.NamedRunnable.run(NamedRunnable.java:32) 2020-03-05 18:41:55.162 5576-5576/com.xiayiye.takeout W/System.err: at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133) 2020-03-05 18:41:55.162 5576-5576/com.xiayiye.takeout W/System.err: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607) 2020-03-05 18:41:55.162 5576-5576/com.xiayiye.takeout W/System.err: at java.lang.Thread.run(Thread.java:761) 2020-03-05 18:41:55.162 5576-5576/com.xiayiye.takeout W/System.err: Caused by: java.lang.IllegalStateException: Expected a string but was BEGIN_OBJECT at line 3 column 14 path $.data 2020-03-05 18:41:55.162 5576-5576/com.xiayiye.takeout W/System.err: at com.google.gson.stream.JsonReader.nextString(JsonReader.java:825) 2020-03-05 18:41:55.162 5576-5576/com.xiayiye.takeout W/System.err: at com.google.gson.internal.bind.TypeAdapters$16.read(TypeAdapters.java:402) 2020-03-05 18:41:55.162 5576-5576/com.xiayiye.takeout W/System.err: at com.google.gson.internal.bind.TypeAdapters$16.read(TypeAdapters.java:390) 2020-03-05 18:41:55.162 5576-5576/com.xiayiye.takeout W/System.err: at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.read(ReflectiveTypeAdapterFactory.java:131) 2020-03-05 18:41:55.163 5576-5576/com.xiayiye.takeout W/System.err: at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:222) 2020-03-05 18:41:55.163 5576-5576/com.xiayiye.takeout W/System.err: ... 9 more

說白了錯誤原因是因為服務器給你返回的是object類型，但是你用的String接收的導致錯誤了

解決方法一：

改完后拿到數據了：

解決方法二：

就是讓后臺將整個data對象放到“”雙引號中以String的類型返給你

?

總結

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